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Crash Course Astronomy - Season 1 Episode 24
In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and color. Spectroscopy allows us to analyze those colors and determine an object’s temperature, density, spin, motion, and chemical composition.
- Unyaka: 2015
- Ilizwe:
- Uhlobo: Documentary
- Isitudiyo: YouTube
- Igama elingundoqo: astronomy
- UMlawuli:
- Abalingisi: Phil Plait